4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine CAS 321391-74-6

Purity 97%+In StockPharmaceutical Standards
CAS No.321391-74-6
Molecular FormulaC17H16ClN3O
Molecular Weight313.78 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine CAS 321391-74-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 313.78 g/mol gives 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine (CAS 321391-74-6), molecular formula C17H16ClN3O and molecular weight 313.78 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C17H16ClN3O, 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 313.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), 4-(4-Chlorophenyl)-1-(4-methoxyphenyl)-3-methyl-1H-pyrazol-5-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.

Physical & Chemical Properties

Molecular FormulaC17H16ClN3O
Molecular Weight313.78 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Halogen ContentCl-containing
Nitrogen Atoms3

Related Chlorophenyl Standards

Recommended Standards

Why CATO?